/*
 * This file is part of Applied Energistics 2. Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved. Applied
 * Energistics 2 is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
 * Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any
 * later version. Applied Energistics 2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
 * Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
 * Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
 */

package appeng.parts.layers;

import net.minecraftforge.common.util.ForgeDirection;

import appeng.api.parts.IPart;
import appeng.api.parts.LayerBase;
import cofh.api.energy.IEnergyConnection;
import cofh.api.energy.IEnergyHandler;
import cofh.api.energy.IEnergyProvider;
import cofh.api.energy.IEnergyReceiver;

public class LayerIEnergyHandler extends LayerBase implements IEnergyHandler {

    @Override
    public int receiveEnergy(final ForgeDirection from, final int maxReceive, final boolean simulate) {
        final IPart part = this.getPart(from);
        if (part instanceof IEnergyReceiver) {
            return ((IEnergyReceiver) part).receiveEnergy(from, maxReceive, simulate);
        }

        return 0;
    }

    @Override
    public int extractEnergy(final ForgeDirection from, final int maxExtract, final boolean simulate) {
        final IPart part = this.getPart(from);
        if (part instanceof IEnergyProvider) {
            return ((IEnergyProvider) part).extractEnergy(from, maxExtract, simulate);
        }

        return 0;
    }

    @Override
    public int getEnergyStored(final ForgeDirection from) {
        final IPart part = this.getPart(from);
        if (part instanceof IEnergyProvider) {
            return ((IEnergyProvider) part).getEnergyStored(from);
        }

        return 0;
    }

    @Override
    public int getMaxEnergyStored(final ForgeDirection from) {
        final IPart part = this.getPart(from);
        if (part instanceof IEnergyProvider) {
            return ((IEnergyProvider) part).getMaxEnergyStored(from);
        }

        return 0;
    }

    @Override
    public boolean canConnectEnergy(final ForgeDirection from) {
        final IPart part = this.getPart(from);
        if (part instanceof IEnergyConnection) {
            return ((IEnergyConnection) part).canConnectEnergy(from);
        }

        return false;
    }
}
